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Hi, The BetaBasic column from Thermo is stable from pH 1.5 to 10+, is mechanically stable and moderately priced.What about for small molecules that tail a lot on 3µ ODS-2 columns? Sunfire, or XTerra or another type?DR: I am not touting the newest product lines of Waters, if I think that another product line might serve better. Ande2922 asked for something that is useful in a QC department. There, one usually wants to get the same results over and over again. This is why I recommended Symmetry.
If the higher pH is essential, my recommendation would be XTerra.
